Jacob r



'(No Model.)

J. R. SCGTT. CLAMP B0B. PREPARING LIFTS PoR BOOT 0R SHOE HEELS.

N0.455,12 1. PatentedJuneso',1891.

UNITED STATES PATENT OFFICE., f

JACOB R. SCOTT, OF NEW YORK, N. Y.

CLAMP FOR PREPARING LIFTS FOR BOOT OR`SHOE HEEL'S.

SPECIFICATION forming part of Letters Patent No. 455,121, dated J' une 30, 1891. Application iiled April 2, 1891. Serial No. 387,374. (No model.)

To all whom it may concern: y

Be it known that I, JACOB R. SCOTT, a citizen of the United States, residing at New that a portion of .the blank is raised up above o the level of the iiange C, and by removing this raised portion the desired cavity a is formed in the blank.

York,`in the county and State of New York, have invented new and useful Improvements in Clamps for Preparing Lifts for Boots or Shoes, of which the following is a specification.

The object of this invention is a clamp whereby the operation of preparing lifts for boot or shoe heels is greatly facilitated.

The peculiar and novel construction of my clamp is pointed out in the following specification and claim, and illustratedin the accompanying drawings, in Which- Figure l represents a plan or top view. Fig. 2 is a side elevation, partly in sect-ion.

Fig. 3 is a transverse section on the plane x, Fig. 2. Figl is a plan view of a lift when finished. Fig. 5 is a transverse section in the plane y y, Fig. 4.

The lift A, Figs. 4t and 5,` is prepared from a blank of sole-leather of uniform thickness, the contours of which correspond to the lift A by forming in said blank the cavity or depression a.

The object of my invention is to facilitate the operation of forming this cavity, and I use for this purpose a box B, which is open at one end and provided with a vertical wall b, the inner circumference of which corresponds with the curved portion of the blanks to be acted upon. On the Jtop of the wall b is firmly secured a horseshoe-shaped iiange C, which projects inwardly and overhangs the open space of the box B a distance equal to the width of the at portion a of the lift A, Fig. 4. Into the box B is tted the reciprocating plunger D, having a convex top surface and a pendent stern d, which at its lower extremity rests upon a pivoted hand-lever E, so that by the action of said lever the plunger can be forced upward to the position shown in dotted lines in Figs. 2 and 3. After a blank A0 has been adjusted upon the upper convex surface of the plunger said plunger is forced up, so as to bring the blank into the position shown in dotted lines in Figs. 2 and 3. By inspecting these igures it will be seen f the plunger D can be forced up and the box Any suitable knife may be used for the purpose of removing the raised portion of the blank, and the knife may be depressed upon the blank, or the box B, which carries the blank, may be pressed toward the knife. In the example shown in the drawings the surfaces of the liange C and of the plunger D form segments of concentric cylinder-shells, the common axis of which coincides with the axisrof the socketj F, so that the box B can 'be made to swing on a pivot placed into this socket, and while being swung the blank can be exposed to the action of a rotating knife. For this purpose the box B is provided with a handle G, which extends over the lever E, so that by grasping the handle and the lever O can be moved under the knife. 7 In the present instance the handle G constitutes a supporting-frame for the box B; but I do not confine myself to this particular support for the box.

What I claim as new, and desire to secure by Letters Patent, is

The combination of a support, the box B, mounted on the support and having the vertical wall b, the iiange C, secured to the top edge of the wall and overhanging the open space of the box, the reciprocating plunger D, arranged and moving in the box and having a pendent stem d sliding rectilinearly in and supported by a part of the box, and the pivoted swinging lever E, bearing against the lower extremity of the plunger-stem for` elevatin g the latter to force a heel-lift upwardly and bulge its center through the open space bound by the inner edge of the overhanging iiange, substantially as described.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

J. R. SCOTT.

Witnessesr WM. C. HAUFF, E. F. KASTENHUBER. 

